838554920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1559}}^1$

素因数の和:1707

約数の個数: 128

約数和(自身を含む): 2304806400

約数和(自身を除く): 1466251480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 113, 119, 136, 140, 170, 226, 238, 280, 340, 452, 476, 565, 595, 680, 791, 904, 952, 1130, 1190, 1559, 1582, 1921, 2260, 2380, 3118, 3164, 3842, 3955, 4520, 4760, 6236, 6328, 7684, 7795, 7910, 9605, 10913, 12472, 13447, 15368, 15590, 15820, 19210, 21826, 26503, 26894, 31180, 31640, 38420, 43652, 53006, 53788, 54565, 62360, 67235, 76840, 87304, 106012, 107576, 109130, 132515, 134470, 176167, 185521, 212024, 218260, 265030, 268940, 352334, 371042, 436520, 530060, 537880, 704668, 742084, 880835, 927605, 1060120, 1233169, 1409336, 1484168, 1761670, 1855210, 2466338, 2994839, 3523340, 3710420, 4932676, 5989678, 6165845, 7046680, 7420840, 9865352, 11979356, 12331690, 14974195, 20963873, 23958712, 24663380, 29948390, 41927746, 49326760, 59896780, 83855492, 104819365, 119793560, 167710984, 209638730, 419277460, 838554920]

約数ペア:

[(1, 838554920), (2, 419277460), (4, 209638730), (5, 167710984), (7, 119793560), (8, 104819365), (10, 83855492), (14, 59896780), (17, 49326760), (20, 41927746), (28, 29948390), (34, 24663380), (35, 23958712), (40, 20963873), (56, 14974195), (68, 12331690), (70, 11979356), (85, 9865352), (113, 7420840), (119, 7046680), (136, 6165845), (140, 5989678), (170, 4932676), (226, 3710420), (238, 3523340), (280, 2994839), (340, 2466338), (452, 1855210), (476, 1761670), (565, 1484168), (595, 1409336), (680, 1233169), (791, 1060120), (904, 927605), (952, 880835), (1130, 742084), (1190, 704668), (1559, 537880), (1582, 530060), (1921, 436520), (2260, 371042), (2380, 352334), (3118, 268940), (3164, 265030), (3842, 218260), (3955, 212024), (4520, 185521), (4760, 176167), (6236, 134470), (6328, 132515), (7684, 109130), (7795, 107576), (7910, 106012), (9605, 87304), (10913, 76840), (12472, 67235), (13447, 62360), (15368, 54565), (15590, 53788), (15820, 53006), (19210, 43652), (21826, 38420), (26503, 31640), (26894, 31180)]